1-Methyl-2-(beta-diethylaminoethylthio)-5-nitrobenzimidazole 36911-73-6 5-23-11-00302 (Beilstein Handbook Reference) BENZIMIDAZOLE, 2-(2-(DIETHYLAMINO)ETHYLTHIO)-1-METHYL-5-NITRO- BRN 0826698